. >> dr. lucas says you should always pay really close attention to the diameter of the moles. she says the bigger the mole the more concerning it is. they say they may be problematic as well. >>> a new study shows thata mayf the symptoms of multiple sclerosis. those given marijuana had less pain and reduced muscular stiffness. now, few of the participants who with drew early from that study reported feeling high, dizzy or fatigued. however, there were no serious negative side effects from that study. >>> a busy section of los angeles turned into a replica of old faithful. >> water raining down on cars and buildings and this did cause one big mess. >>> the graduation ceremony to tell you about. an american university student never going to forget it. how she has more than just a job to look forward to. and as we head to break a live look at the u.s. capitol. we'll be right back. >>> looks like a cap and gown will now lead to a wedding gown for one college graduate. >>> an eager student proposes to his girl at the graduation cer. >> congratulations, sarah, you're about to gradua

at that time the rebels lining up for closure of fraud issues emerged and i wrote about that and dr lucas the chief economist told me that it was an issue of media sensationalism and discouraged me from writing about it. in response to what a wrote in the the memo she said that foreclosure fraud or robo signing was an issue that we should take the lead on that we should not be adding of that we should be adding skepticism to the issue rather than add to the media hype and that was the response from my writing up our proposal fraud and also a reason that was cited in my termination where the civil felt that i had poor judgment in writing up issues related to robo signing and what it meant for chain of title issues in mortgage securitization now if you said this wasn't just a dispute with your boss you didn't just disagree on the core issues here you were fired why do you believe you were fired. that was fired because it was not only an issue of the robles landing but i also covered and wrote about the banking sector and the mortgage markets and all of these issues are inextricably linked a

little lucas, his arm was not broken, but he did need that low-dose radiation to confirm it. dr.bc news, new york. >> so weird. and it's hard for doctors to tell how much radiation a child is getting because it varies by age and also by the brand of the machine. >> that's right. but i think what's good is under the fda's proposed guidelines, manufacturers of these devices have to provide that specific information on how to minimize radiation exposures for children of different sizes, different ages. radiation for a 6-year-old is very different, i think, radiation for a 12-year-old. >> if there's a button that says child dose, hit that one for the little one. >> hit that one instead. >>> "the skinny," lots of good stuff coming up today. we'll be right back. >> announcer: abc's "world news now" will continue after this from our abc stations. medicare. it doesn't cover everything. and what it doesn't cover can cost you some money. that's why you should consider an aarp... medicare supplement insurance plan... insured by unitedhealthcare insurance company. all medicare supplement ins

dr. richard besser now has advice for parents about their small patients. >> can you pull up your sleeve and tell in where it hurt. >> reporter: lucas is 4 years old.t. x-rays and ct scan, which are hundreds of times more powerful, are incredible diagnostic tools. but each time a child gets a scan, it comes with radiation. and radiation, any radiation, means a higher risk of cancer. that is what the fda is warning about today. one study finding that the number of ct scans in children jumped 500% in 1995 to 1.6 million. and one-third of all ct scans are not needed. one example, concussions, where ct stan scans just aren't needed. children, their bodies are developing and they have many years for cancer to grow. >> when we do a study, we want to put it on the pediatric imaging monitor. >> this here? >> yeah. >> reporter: today, the fda called on doctors to lessen the dose. and to manufactures to make that easier. i asked the fda what took so long? >> standards have to reach a certain level and we believe there is now a body of clinical evidence that supports our guidance from manufactures. >> reporter: parentist, you should also ask, do you really ne

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